Update README.md

Author: marcoscaceres

README.md

@@ -1,6 +1,5 @@
 
-# Specification 'webappsec-credential-management'
+# Credential Management
 
-This is the repository for webappsec-credential-management. You're welcome to contribute! Let's make the Web rock our socks
-off!
- 
+This is the repository for [Web Applications Security Working Group's](https://www.w3.org/groups/wg/webappsec/) 
+[Credential Management](https://www.w3.org/TR/credential-management/) specification.